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Jun 19, 2021 at 0:54 history edited Max Alekseyev CC BY-SA 4.0
added sgn(P) to support negative values of P
Jun 18, 2021 at 18:19 vote accept Pedja
Jun 18, 2021 at 17:22 history edited Max Alekseyev CC BY-SA 4.0
added 26 characters in body
Jun 18, 2021 at 17:16 history answered Max Alekseyev CC BY-SA 4.0